Alternative spelling of Go, proposed by Ing Chang-Ki to differentiate it from the English verb "to go". Only the tournaments, publications, and organizations sponsored by the Ing Foundation seem to follow this initiative.
See also Names for Go in Other Languages
eluusive? -- I think this is a very good idea. Goe is not an English word. It's increasingly difficult to find anything pertaining to the Game of Go when it's spelled as "Go".
unkx80: If I remember correctly, someone said that the word Goe aims at a compromise between the different languages and cultures: